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Telescope-Service - Your Expert for Telescopes, Mounts, Binoculars, Spotting Scopes and Accessories. We offer a broad selection of eyepieces, filters, accessories for astro-imaging and many more interesting items.
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Easy Payment: We offer our customers several easy and fast payment methods. You will receive exact payment details when ordering or on request! |
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New Telescope-Service Online Shop:
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Dobsonian Telescopes |
| Dobsonians are ideal for visual observers with no interest in astrophotography, but who wish to get the best out of their money in terms of visual performance. |
| Sooner or later all amateur astronomers face the same dilemma: They want the biggest telescope they can get their hands on (since, as they say, "Aperture can only be replaced by even more aperture"), but their finances draw the line terribly soon. This is partially due to the inherent expenses for high-quality optics, but also due to the fact that a large telescope also requires a heavy - and expensive! - mount to carry it. John Dobson (being in a monastery) faced a similar problem in the 1970's and therefore constructed and built several telescopes of a radically new design. To put it all in a nutshell, he cut out everything the telescope could spare and still remain a functional telescope. The result was the "Dobsonian telescope": A large Newtonian optical tube (Dobson actually ground and figured the mirrors himself!) mounted in what is little more than a box of wood. There are no fancy setting circles, worm gears or motor drives. You basically put all your money into big, good quality optics. The result are very large aperture telescopes at a fraction of the cost of most conventional models! The Dobsonian telescope design is by many considered to be the ultimate, no-nonsense telescope. It will show you extraordinary details in all fields of visual astronomy, especially deep-sky observations (that is: observations of faint objects like galaxies, gas nebulae and the like). Still, you have to be aware that there is (in fact, that there must be!) also a limitation: Dobsonian telescopes are by design not suited for any kind of astronomical photography. Fortunately there is a way to make your dobsonian telescope fit for astronomical photography. You take the optical tube and put it on an equatorial mount. The drawback: Obviously this means that you will need a big and heavy, and therefore expensive, mount to do that. Consider this whenever you want to buy a Dobsonian telescope and do not rule out astronomical imaging! |
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GSO Dobsonian Telescopes
GSO Dobsonians are made in Taiwan to a very high standard of optical and mechanical quality. If you are into visual astronomy there is no match to a Dobsonian when it comes to value for money. |
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Economy Line Dobsonians
The GSO Economy line Dobsonians offer an outstanding value for money and performance. The low prices are achieved mainly by cutting costs on the accessory side, the optical performance is not compromised! |
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Economy Line - Aperture 200mm / Focal Length 1200mm
2" focuser, good quality optics, top price offer |
Economy Line - Aperture 250mm / Focal Length 1250mm
2" Crayford focuser, 8x50 finderscope, 2" eyepiece |
Economy Line - Aperture 300mm / Focal Length 1500mm
Excellent value for money 2" focuser, 8x50 finderscope, 2" eyepiece |
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BCR Line Dobsonians - SALE
These Dobsonians have the same great optical performance of the economy line, but have more and better accessories. |
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Aperture 200mm / Focal Length 1200mm
2" Crayford focuser, 2" wide angle eyepiece, cooling fan, 8x50 finderscope, ... |
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GSO Truss Tube Dobsonians
Above a certain size closed tube Dobsonians are no longer portable. The new GSO Truss Tube design solves this problem! |
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Aperture 400mm / Focal Length 1800mm
2" Crayford focuser, 2" wide angle eyepiece, cooling fan, 8x50 finderscope, ... |
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Orion Dobsonian Telescopes
Orion offers sophisticated Dobsonians with computer to localize objects. This makes finding objects much easier. |
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Orion Intelliscopes
Dobsonians with integrated digital setting circles and computerized object locator |
Orion StarBlast Mini-Dobsonian
Ultra-portable 113mm Mini-Dobsonian |
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Please send requests or online orders to: sales@telescope-service.com
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